Name:		Rhizocarpon obscuratum A. Massal., (1852) page 103, fig. 207
Basionym:		Lecidea petraea subspecific-rank obscurata Ach.
Synonym(s):		Rhizocarpon postumum (Nyl.) Arnold (1870) Rhizocarpon reductum Th. Fr. (1874)
Status:		Species, lichen-forming
Taxonomic position:		Rhizocarpon Ramond ex DC. [Genus] Rhizocarpaceae M. Choisy ex Hafellner [Family] Rhizocarpales Miądl. et al. [Order] Lecanoromycetidae P.M. Kirk, P.F. Cannon, J.C. David & Stalpers ex Miądl., Lutzoni & Lumbsch [Subclass] Lecanoromycetes O.E. Erikss. & Winka [Class] Pezizomycotina O.E. Erikss. & Winka [Subdivision / Subphylum] Ascomycota Caval.-Sm. [Division / Phylum] Fungi R.T. Moore [Kingdom]
Constituent taxa:		Subspecific taxa Rhizocarpon obscuratum forma amphibium (Fr.) Schade Rhizocarpon obscuratum forma granulosum Schade Rhizocarpon obscuratum forma lavatum (Fr.) Th. Fr. Rhizocarpon obscuratum forma obscuratum Rhizocarpon obscuratum forma reductum (Th. Fr.) Schade Rhizocarpon obscuratum subsp. lingii Räsänen Rhizocarpon obscuratum subsp. megapotamicum Malme Rhizocarpon obscuratum subsp. obscuratum Rhizocarpon obscuratum subsp. orphninum (Vain.) Vain. Rhizocarpon obscuratum var. obscuratum Rhizocarpon obscuratum var. reductum (Th. Fr.) Eitner
Catalogue data:		Zahlbruckner, Catalogus Universalis Lichenum 4: 376, Zahlbruckner, Catalogus Universalis Lichenum 8: 423
Cybertruffle Resources:		Cyberliber Cumulative Index Biological Records Database (49 records)
Links:		Fungal Databases [Systematic Botany and Mycology, USDA] Genbank Google images IMI [CABI Fungus Dried Reference Collection] Index Fungorum Landcare [New Zealand] Mycobank New York Botanic Garden [Virtual Fungus Dried Reference Collection]